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kap26 [50]
2 years ago
12

On her multiple choice math test, 1720 of Lydia's answers are correct. What is the ratio of correct to incorrect answers for Lyd

ia on her test?
Mathematics
1 answer:
olchik [2.2K]2 years ago
4 0

Answer: \frac{17}3} or 17:3

Step-by-step explanation:

Since Lydia got 17 out of 20 questions correct, that means she got 3 out of 20 incorrect. To get the ratio of correct (17) to incorrect (3) answers, we can simply divide the two numbers as follows:

\frac{17}3} or 17:3

Since this ratio is already in simplest terms, this is the final answer.

You might be interested in
number of bacteria in a certain population Increases according to a continuous exponential growth model with How many hours does
vladimir1956 [14]

Answer:

It takes 1.77 hours for the population to double.

Step-by-step explanation:

Equation for population growth:

The equation for population growth, after t hours, with a growth rate parameter of r, as a decimal, is given by:

P(t) = P(0)(1+r)^t

Growth rato parameter of 48% per hour

This means that r = 0.48. So

P(t) = P(0)(1+r)^t

P(t) = P(0)(1+0.48)^t

P(t) = P(0)(1.48)^t

How many hours does it take the size of the sample to double?

This is t for which P(t) = 2P(0). So

P(t) = P(0)(1.48)^t

2P(0) = P(0)(1.48)^t

(1.48)^t = 2

\log{(1.48)^t} = \log{2}

t\log{1.48} = \log{2}

t = \frac{\log{2}}{\log{1.48}}

t = 1.77

It takes 1.77 hours for the population to double.

3 0
3 years ago
0.719 rounded to the nearest hundredth
lapo4ka [179]

Answer:

0.72

Step-by-step explanation:

hope i helped

pls mark brainliest im trying to level up

4 0
3 years ago
Read 2 more answers
Find the output y, when input x is 6
sashaice [31]

Answer: y = 0

Step-by-step explanation:

3 0
3 years ago
HELP ME PLEASE WILL MARK BRAINLIEST
DiKsa [7]

Answer:

i think its either the first or second one but imma go w the first

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
(3 2/3 + 17 1/5) - ( 11 3/5 + 2 1/3) =
Ipatiy [6.2K]

Answer:

6 14/15

Step-by-step explanation:

I would say simplifie the paratensies.

First:

3 2/3+ 17 1/5 =

Common factor of 3 and 5 is 15

3 10/15 + 17 3/15 = 20 13/15

Second:

11 3/5 + 2 1/3 =

Common factor of 3 and 5 is 15

11 9/15 + 2 5/15 = 13 14/15

20 13/15 - 13 14/15 = 7 13/15 - 14/15 = 7 - 1/15 = 6 14/15

4 0
3 years ago
Read 2 more answers
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